HUMAN NUTRITION

Detailed explanation-1: -For most normal-weight pregnant women, the right amount of calories is: About 1, 800 calories per day during the first trimester. About 2, 200 calories per day during the second trimester. About 2, 400 calories per day during the third trimester.

Detailed explanation-2: -Eat a variety of vegetables, fruits, whole grains, fat-free or low-fat dairy products, and protein foods. Choose foods and drinks with less added sugars, saturated fats, and sodium (salt). Limit refined grains and starches, which are in foods like cookies, white bread, and some snack foods.

Detailed explanation-3: -Third Trimester: Take in about 450 extra calories per day (110 more than during the second trimester).